Weather Basics & Global Wind Patterns

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What is a cold front?

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A cold front is a boundary between a mass of cold air and a mass of warm air, where the cold air pushes the warm air upward, often leading to precipitation.

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What happens to water vapor as warm air rises in an occluded front?

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As warm air rises in an occluded front, it cools and its water vapor condenses, forming clouds and precipitation.

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How many major convection cells are there in Earth's atmosphere?

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There are six major convection cells in Earth's atmosphere: the Hadley cells, Ferrel cells, and Polar cells.

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What are cirrocumulus and cirrostratus clouds classified as?

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Cirrocumulus and cirrostratus clouds are classified as high clouds, typically found at altitudes above 20,000 feet.

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What are trade winds?

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Trade winds are prevailing winds that blow from the northeast in the Northern Hemisphere and from the southeast in the Southern Hemisphere, occurring between 30° north latitude and the equator.

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What is a warm front?

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A warm front is a boundary where a warm air mass rises over a cold air mass, often leading to gradual precipitation.

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What is an occluded front?

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An occluded front occurs when a cold front overtakes a warm front, lifting the warm air mass off the ground.

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What are the characteristics of high clouds?

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High clouds, such as cirrus, cirrocumulus, and cirrostratus, are thin, wispy, and typically form at altitudes above 20,000 feet.

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What is the role of convection cells in weather patterns?

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Convection cells help distribute heat and moisture in the atmosphere, influencing wind patterns and weather systems.

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What are the polar easterlies?

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Polar easterlies are cold winds that blow from the east near the poles, typically found between 60° latitude and the poles.